Setting out to drill holes in some flowerpots and old mugs I ended up dumping everything out of one of my tool bags & reorganizing it. A small tool drawer, tool bag, electronics bag, and drill + bits bag plus whatever the heck is in the garage in my scooter fixing scavenged nightstand tool drawer. No wonder I can never find the right tool.
Anyway – I read some info online on drilling through ceramic (use masking tape), thought over what the guy in Cliff’s advised me (ignore useless masking tape, pour lots of water over the thing as you drill). The tape was irritating so I went with water. It was hard to set the hollow round diamond tipped drill and get it to catch, but once it started in I could see powder building up & so sluiced it away every few seconds. I was careful not to punch the drill through the flowerpots and shatter everything. Oh, and also, because of the water but also because of having bits of glass and ceramic flying around, I did this on top of a dishtowel and then some paper towels, in the metal kitchen sink. Also wearing safety glasses on top of my glasses.
I forgot to wear the flamingo hat.
Good news is, all my flowerpots now have drainage and I didn’t drill through anything I didn’t intend to, like my own hand or the sink itself.